Transient Analysis of the Multi-Conductor Transmission Line Based on Matrix Form of T Type Leapfrog Scheme
A new type of Finite Difference Time Domain (FDTD) is proposed according to the time domain analysis of non-homogeneous multi-conductor transmission lines. The difference between this scheme and the traditional π type leapfrog scheme is the discrete way of voltage and current along
the transmission line. The current node is at the head and terminal of each segment of the discrete transmission line and the voltage node is the midpoint of each segment (T type leapfrog). In order to improve the calculating efficiency, the T type leapfrog scheme was transformed into matrix
form of semi-discretization in this paper. To verify the validity of this algorithm, a transient simulated analysis is conducted for one non-homogeneous double conductor transmission line system and compared with the traditional π type leapfrog and an unconditionally stable FDTD algorithm.
The numerical analysis results show that the algorithm of this paper is superior to the traditional π type leapfrog scheme in computational efficiency and has no numerical dispersion issue of unconditionally stable algorithm. Furthermore, this algorithm improves computational efficiency
and computational accuracy in transmission line transient analysis.
Document Type: Research Article
Publication date: 01 September 2015
- Journal of Computational and Theoretical Nanoscience is an international peer-reviewed journal with a wide-ranging coverage, consolidates research activities in all aspects of computational and theoretical nanoscience into a single reference source. This journal offers scientists and engineers peer-reviewed research papers in all aspects of computational and theoretical nanoscience and nanotechnology in chemistry, physics, materials science, engineering and biology to publish original full papers and timely state-of-the-art reviews and short communications encompassing the fundamental and applied research.
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